/* 脉冲动画 */
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.pulse {
    animation: pulse 2s infinite;
}

/* 浮动动画 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* 闪烁动画 */
@keyframes blink {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.blink {
    animation: blink 1.5s infinite;
}

/* 背景粒子动画 */
@keyframes particle-move {
    0% { transform: translateY(0) translateX(0); }
    100% { transform: translateY(-1000px) translateX(1000px); }
}
